/* ===== Everything in the Universe — habillage thème (en-tête, pied, pages internes) =====
   Grand magasin cosmique & éclectique. L'accueil est en blocs HTML autonomes ;
   ici on style le reste : header, footer, archives, articles. Palette galaxie multi-couleurs. */
:root{
  --sand:#F4F3FA; --sand2:#ECEAF7; --card:#FFFFFF; --ink:#1B1B3A; --tx:#3A3A5C; --muted:#8A88A8;
  --violet:#5B3FA8; --violet-d:#4A2F94; --gold:#F5C542; --coral:#FF6B6B; --cyan:#22C3E6; --green:#33C989; --pink:#F45BB5;
  --bronze:#5B3FA8; --bronze-d:#4A2F94; /* alias accent (compat) */
  --line:rgba(27,27,58,.13); --line-2:rgba(27,27,58,.06);
  --shadow:0 26px 50px -30px rgba(27,27,58,.45); --shadow-sm:0 12px 26px -18px rgba(27,27,58,.32);
  --disp:'Syne',system-ui,sans-serif; --body:'Inter',system-ui,-apple-system,sans-serif;
  --wrap:1240px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--body);color:var(--tx);background:var(--sand);font-size:17px;line-height:1.68;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-family:var(--disp);color:var(--ink);line-height:1.08;margin:0 0 .5em;font-weight:800;letter-spacing:-.015em}
p{margin:0 0 1em}
.hc-wrap{max-width:var(--wrap);margin:0 auto;padding:0 clamp(22px,5vw,48px)}
.eyebrow,.wf-kick{font-family:var(--body);font-size:.72rem;letter-spacing:.2em;text-transform:uppercase;color:var(--violet);font-weight:700;display:inline-block;margin-bottom:.9rem}
.wf-btn,.btn{display:inline-flex;align-items:center;gap:.5em;font-family:var(--disp);font-weight:700;font-size:.96rem;padding:14px 28px;border-radius:999px;cursor:pointer;border:0;transition:transform .18s,background .18s,color .18s}
.wf-btn--fill,.btn--grad{background:var(--violet);color:#fff}.wf-btn--fill:hover{background:var(--violet-d);transform:translateY(-2px)}
.wf-btn--soft{box-shadow:inset 0 0 0 1.5px rgba(27,27,58,.3);color:var(--ink)}.wf-btn--soft:hover{background:var(--violet);color:#fff}

.reveal{transition:opacity .6s ease,transform .6s cubic-bezier(.2,.7,.2,1)}
html.hc-anim .reveal{opacity:0;transform:translateY(20px)}html.hc-anim .reveal.is-in{opacity:1;transform:none}
.reveal.d1{transition-delay:.07s}.reveal.d2{transition-delay:.14s}.reveal.d3{transition-delay:.21s}

/* Barre d'annonce — dégradé cosmique */
.hc-hello{background:linear-gradient(90deg,#1B1B3A,#5B3FA8 55%,#F45BB5);color:#F4F3FA;text-align:center;font-size:.82rem;padding:9px 16px;letter-spacing:.02em}
.hc-hello a{color:var(--gold);font-weight:700;margin-left:.4em}

/* Header */
.hc-hd{position:sticky;top:0;z-index:60;background:rgba(244,243,250,.9);-webkit-backdrop-filter:blur(9px);backdrop-filter:blur(9px);border-bottom:1px solid var(--line)}
.hc-hd-in{max-width:none;margin:0;padding:12px clamp(20px,3.5vw,46px);display:flex;align-items:center;gap:20px}
.hc-brand{display:flex;align-items:center;gap:11px;font-family:var(--disp);font-weight:800;color:var(--ink);font-size:1.28rem;letter-spacing:-.02em}
.hc-brand svg{width:40px;height:40px;flex:none}
.hc-nav{display:flex;gap:2px;margin-left:auto;flex-wrap:wrap}
.hc-nav a{font-family:var(--body);font-size:.86rem;font-weight:600;color:var(--ink);padding:8px 12px;border-radius:999px;transition:color .16s,background .16s}
.hc-nav a:hover{color:#fff;background:var(--violet)}
.hc-hd-cta{flex:none}
.hc-burger{display:none;margin-left:auto;background:transparent;border:1.5px solid var(--ink);border-radius:10px;width:46px;height:44px;color:var(--ink);cursor:pointer;align-items:center;justify-content:center}
.hc-burger svg{width:22px;height:22px;display:block}.hc-burger .ic-close{display:none}
.hc-hd.open .hc-burger .ic-menu{display:none}.hc-hd.open .hc-burger .ic-close{display:block}

/* Pages internes : bannière catégorie */
.hc-cat-banner{position:relative;margin-bottom:42px;overflow:hidden;min-height:320px;display:flex;align-items:flex-end;background:var(--ink)}
.hc-cat-banner .bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.4}
.hc-cat-banner::after{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(27,27,58,.92),rgba(91,63,168,.55))}
.hc-cat-banner .in{position:relative;z-index:2;max-width:var(--wrap);margin:0 auto;width:100%;padding:56px clamp(22px,5vw,48px) 44px}
.hc-cat-banner .ico{width:56px;height:56px;border-radius:16px;display:grid;place-items:center;background:linear-gradient(135deg,var(--violet),var(--pink));color:#fff;margin-bottom:16px}
.hc-cat-banner .ico svg{width:30px;height:30px}
.hc-cat-banner .eyebrow{color:var(--gold)}
.hc-cat-banner h1{font-family:var(--disp);color:#fff;font-size:clamp(2.1rem,4.6vw,3.1rem);margin:0 0 .25em}
.hc-cat-banner p{color:rgba(255,255,255,.9);max-width:44em;margin:0;font-size:1.06rem}
.hc-grid{max-width:var(--wrap);margin:0 auto;padding:0 clamp(22px,5vw,48px) 80px;display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.hc-card{display:flex;flex-direction:column;overflow:hidden;border-radius:16px;border:1px solid var(--line);background:var(--card);box-shadow:var(--shadow-sm);transition:transform .2s,box-shadow .2s}
.hc-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.hc-card .cov{aspect-ratio:16/11;overflow:hidden}.hc-card .cov img{width:100%;height:100%;object-fit:cover;transition:transform .5s}.hc-card:hover .cov img{transform:scale(1.05)}
.hc-card .bd{padding:18px 20px 22px;display:flex;flex-direction:column;gap:8px;flex:1}
.hc-card .k{font-family:var(--body);font-weight:700;font-size:.66rem;letter-spacing:.08em;text-transform:uppercase;color:var(--violet)}
.hc-card h3{font-family:var(--disp);font-weight:700;font-size:1.16rem;line-height:1.22;margin:0;color:var(--ink)}
.hc-card .m{margin-top:auto;font-size:.78rem;color:var(--muted)}

/* Article */
.hc-phead{padding:52px 0 28px}
.hc-phead .kk{font-family:var(--body);font-weight:700;font-size:.74rem;letter-spacing:.08em;text-transform:uppercase;color:var(--violet)}
.hc-phead h1{font-family:var(--disp);font-size:clamp(2rem,4.4vw,3.1rem);margin:.4em 0 .35em;max-width:18em;line-height:1.08}
.hc-phead .meta{font-size:.84rem;color:var(--muted)}
.hc-hero-img{max-width:var(--wrap);margin:0 auto 40px;padding:0 clamp(22px,5vw,48px)}
.hc-hero-img .in{border-radius:18px;overflow:hidden;aspect-ratio:21/9;box-shadow:var(--shadow)}
.hc-hero-img img{width:100%;height:100%;object-fit:cover}
.hc-article{max-width:760px;margin:0 auto;padding:44px 44px;background:var(--card);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow-sm)}
.hc-article .body{font-size:1.08rem;color:#3f3a52;line-height:1.8}
.hc-article .body h2{font-family:var(--disp);font-size:1.6rem;margin:1.5em 0 .5em;color:var(--ink)}
.hc-article .body h3{font-family:var(--disp);font-size:1.24rem;margin:1.4em 0 .4em;color:var(--violet)}
.hc-article .body ul{padding-left:0;list-style:none;margin:0 0 1.2em}
.hc-article .body ul li{position:relative;padding-left:26px;margin-bottom:.6em}
.hc-article .body ul li::before{content:"★";position:absolute;left:2px;top:.15em;color:var(--gold);font-size:.8em}
.hc-article .body code{font-family:var(--body);font-weight:700;font-size:.9em;background:var(--sand2);color:var(--violet);padding:.12em .45em;border-radius:5px}
.hc-article .body strong{color:var(--ink)}
.hc-article .body a{color:var(--violet);border-bottom:1px solid rgba(91,63,168,.4)}

/* Footer — indigo spatial */
.footer{background:#14142E;color:#b8b6d4;margin-top:0;position:relative;z-index:1}
.footer .hc-wrap{padding-top:56px;padding-bottom:26px}
.f-top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;padding-bottom:38px;border-bottom:1px solid rgba(244,243,250,.12)}
.f-brand{display:flex;align-items:center;gap:11px;font-family:var(--disp);font-weight:800;color:#fff;font-size:1.26rem;margin-bottom:.7em}
.f-brand svg{width:36px;height:36px}
.f-about{font-size:.92rem;color:#9a98be;max-width:32ch}
.footer h4{color:#fff;font-family:var(--body);font-size:.76rem;letter-spacing:.1em;text-transform:uppercase;margin:0 0 1.1em;font-weight:700}
.footer ul{list-style:none;margin:0;padding:0}.footer li{margin-bottom:.7em;font-size:.92rem}
.footer li a{color:#a7a5cc;transition:color .16s}.footer li a:hover{color:var(--gold)}
.f-editeur{padding:22px 0 0;font-size:.9rem;color:#9a98be;text-align:center}.f-editeur strong{color:#fff}
.f-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-top:22px;font-size:.82rem;color:#726f9a}

/* Retour haut */
.hc-top{position:fixed;right:24px;bottom:24px;z-index:80;width:52px;height:52px;border-radius:50%;border:0;cursor:pointer;background:linear-gradient(135deg,var(--violet),var(--pink));color:#fff;display:grid;place-items:center;box-shadow:var(--shadow);opacity:0;visibility:hidden;transform:translateY(14px);transition:opacity .3s,transform .3s,background .2s}
.hc-top svg{width:22px;height:22px}.hc-top.show{opacity:1;visibility:visible;transform:none}.hc-top:hover{filter:brightness(1.1)}

@media(max-width:960px){.hc-grid{grid-template-columns:repeat(2,1fr)}.f-top{grid-template-columns:1fr 1fr}}
@media(max-width:640px){
  .hc-nav{display:none;position:absolute;top:64px;left:0;right:0;flex-direction:column;padding:12px 16px;gap:2px;background:var(--sand);border-bottom:1px solid var(--line)}
  .hc-hd.open .hc-nav{display:flex}.hc-hd-cta{display:none}.hc-burger{display:flex}
  .hc-grid{grid-template-columns:1fr}.hc-article{padding:30px 22px}.f-top{grid-template-columns:1fr;gap:26px}
}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:.001ms!important;transition-duration:.01ms!important}}

/* ===== Mode sombre (galaxie profonde) ===== */
@media(prefers-color-scheme:dark){
  :root{
    --sand:#0E0E22; --sand2:#171733; --card:#17173A; --ink:#F4F3FA; --tx:#C6C4E0; --muted:#8A88B4;
    --line:rgba(244,243,250,.14); --line-2:rgba(244,243,250,.07);
  }
  .hc-hd{background:rgba(14,14,34,.9)}
  .hc-hello{color:#fff}
  .hc-article .body{color:#C6C4E0}
  .hc-card .cov{background:#12122b}
}